Correct answer: Qf31...Kd5/b5 2.Bf7#/Qf7# 1...Nd4 2.Ne3# 1...Nb8/Na5/Na7 2.Qf7# 1.Qf3! zz 1...Kd5/b5 2.Bf7# 1...Kb5 2.Q:d3#
